#include<bits/stdc++.h>
using namespace std;
int read(){
	bool flag=0;
	char c=getchar();
	while(c<48){
		if(c=='-') flag=1;
		c=getchar();
	}
	int x=0;
	while(c>=48){
		x=x*10+(c-48);
		c=getchar();
	}
	if(flag) x=-x;
	return x;
}
//luan gao AC big examples in 13minutes
int a[100010],app[100010];
int main(){
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	int n;
	n=read();
	int ans=0;
	for(int i=1;i<=n;i++){
		a[i]=read();
		app[a[i]]++;
	}
	for(int i=1;i<=100000;i++){
		ans=max(ans,app[i]);
	}
	cout<<ans<<'\n';
}